PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

631663-45Resistor,variable,nonwire Wound,

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5905-01-061-5550 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-01-061-5550 — this item is cataloged by the U.S. Government under National Stock Number 5905-01-061-5550. Primary manufacturer part number: 631663-45.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Mounting Bushing Length: 0.375 INCHES NOMINAL IN
  • Test Data Document: 81349-MIL-R-94 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Resistance Tolerance Per Section in Percent: -10.0 TO 10.0 ALL SECTIONS
  • Reliability Indicator: NOT ESTABLISHED
  • Ambient Temp in Deg Celsius Per Section at Full Rated Power: 70.0 ALL SECTIONS
  • Body Diameter: 1.094 INCHES NOMINAL IN
  • Terminal Location: RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-061-5550, is classified within Federal Supply Class 5905 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-01-061-5550
Primary Part Number631663-45
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusCANCELLED
Mounting Bushing Length0.375 INCHES NOMINAL IN
Test Data Document81349-MIL-R-94 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Resistance Tolerance Per Section in Percent-10.0 TO 10.0 ALL SECTIONS
Reliability IndicatorNOT ESTABLISHED
Ambient Temp in Deg Celsius Per Section at Full Rated Power70.0 ALL SECTIONS
Body Diameter1.094 INCHES NOMINAL IN
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Actuator Travel Control FeatureSTOPS
Terminal Type and Quantity6 TAB, SOLDER LUG
Power Dissipation Rating Per Section in Watts2.0 FREE AIR ALL SECTIONS
Screw Thread Series DesignatorUNEF
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power120.0 ALL SECTIONS
Electrical Resistance Per Section25.0 KILOHMS ALL SECTIONS
Rotary Actuator Travel in Angular Deg309.0 MINIMUM AND 320.0 MAXIMUM
Screw Thread Diameter0.375 INCHES NOMINAL IN
Device Design TypeNONTURN AT 9:00 OCLOCKUNABLE TO DECODE
Nonturn Device Radius0.531 INCHES NOMINAL IN
Mounting MethodSTANDARD BUSHING
Screw Thread Quantity Per Inch32.0
Shaft Length0.250 INCHES NOMINAL IN
Resistance Temp Characteristic Range Per Section in Percent-3.0 TO 0.0 -55 DEG CELSIUS ALL SECTIONS AND -5.0 TO 10.0 -25 DEG CELSIUS ALL SECTIONS AND -5.0 TO 10.0 25 DEG CELSIUS ALL SECTIONS AND +0.0 TO 3.0 120 DEG CELSIUS ALL SECTIONS
Shaft Diameter0.875 INCHES NOMINAL IN
Shaft StyleROUND, SLOTTED
Actuator TypeSINGLE SHAFT
Specification/standard Data81349-MIL-R-94/6 GOVERNMENT SPECIFICATION
Effective Electrical Rotation in Deg Angular Rotation309.0 MINIMUM AND 320.0 MAXIMUM
Section Quantity2
Body Length1.266 INCHES MAXIMUM IN
Body StyleCYLINDRICAL BUSHING MOUNTED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4030-01-239-71508315-2 INTERCHANGEABLE
Hook,hoist
Ingersoll-Rand Co Material Handling Div
5915-01-323-6826 INTERCHANGEABLE
Filter,radio Frequency Interfere
5315-01-335-00919004-D ITEM 26 INTERCHANGEABLE
Pin,grooved,headless
Columbus Jack Corporation Div Columbus Jack
Cross-Reference Index
Part NumberManufacturer
631663-45 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
MILR94-6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-94/6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
83152 Rockwell Automation, Inc. Dba Rockwell Automation (USA)
2RV7NYSD253253A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4030-01-239-7150INTERCHANGEABLE
HOOK,HOIST
8315-2
5915-01-323-6826INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5315-01-335-0091INTERCHANGEABLE
PIN,GROOVED,HEADLESS
9004-D ITEM 26

Frequently Asked Questions

What is NSN 5905-01-061-5550?

NSN 5905-01-061-5550 is a Resistor,variable,nonwire Wound,, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-01-061-5550?

NSN 5905-01-061-5550 has 5 cross-referenced part numbers: 631663-45 (Lockheed Martin Corporation Div Rms - Mitchel Field), MILR94-6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-94/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 83152 (Rockwell Automation, Inc. Dba Rockwell Automation), 2RV7NYSD253253A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5905-01-061-5550?

There are 3 known substitutes for 5905-01-061-5550: 4030-01-239-7150, 5915-01-323-6826, 5315-01-335-0091. Verify interchangeability with system specifications before substitution.

What are the specifications of 631663-45?

Key specifications for 631663-45: Mounting Bushing Length: 0.375 INCHES NOMINAL IN; Test Data Document: 81349-MIL-R-94 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Resistance Tolerance Per Section in Percent: -10.0 TO 10.0 ALL SECTIONS; Reliability Indicator: NOT ESTABLISHED. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-01-061-5550 still in active supply?

NSN 5905-01-061-5550 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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